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Classes

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 1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (http://nette.org)
 5:  *
 6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 7:  *
 8:  * For the full copyright and license information, please view
 9:  * the file license.txt that was distributed with this source code.
10:  */
11: 
12: namespace Nette\Iterators;
13: 
14: use Nette;
15: 
16: 
17: /**
18:  * Callback recursive iterator filter.
19:  *
20:  * @author     David Grudl
21:  */
22: class RecursiveFilter extends \FilterIterator implements \RecursiveIterator
23: {
24:     /** @var callable */
25:     private $callback;
26: 
27:     /** @var callable */
28:     private $childrenCallback;
29: 
30: 
31:     public function __construct(\RecursiveIterator $iterator, $callback, $childrenCallback = NULL)
32:     {
33:         parent::__construct($iterator);
34:         $this->callback = $callback === NULL ? NULL : new Nette\Callback($callback);
35:         $this->childrenCallback = $childrenCallback === NULL ? NULL : new Nette\Callback($childrenCallback);
36:     }
37: 
38: 
39:     public function accept()
40:     {
41:         return $this->callback === NULL || $this->callback->invoke($this);
42:     }
43: 
44: 
45:     public function hasChildren()
46:     {
47:         return $this->getInnerIterator()->hasChildren()
48:             && ($this->childrenCallback === NULL || $this->childrenCallback->invoke($this));
49:     }
50: 
51: 
52:     public function getChildren()
53:     {
54:         return new static($this->getInnerIterator()->getChildren(), $this->callback, $this->childrenCallback);
55:     }
56: 
57: }
58: 
Nette Framework 2.0.11 API API documentation generated by ApiGen 2.8.0